Developmental dysplasia of the hip

Developmental dysplasia of the hip in childrenDepartment of Pediatrics; Medical University Of ChongqingAssociate Professor LuoI. overview:

Content

Developmental dysplasia of the hip in children

Department of Pediatrics; Medical University Of Chongqing

Associate Professor Luo

I. overview:

• DDH (Development of the Hip) is one of the three major congenital malformations in pediatric department of orthopedics. In 1992, the American Academy of pediatric orthopaedic surgeons changed CDH to DDH. (Dislocation)

1. DDH: the most common deformity of limbs in children.

2, the incidence of white yellow black > >

The United States from 9.1 to 13.3 per thousand in foreign countries:

Italy, France 9 per thousand to 12 per thousand

British Southampton 2.3 per thousand

China (Shanghai: 0.91 per thousand, 3.8 per thousand in Beijing, Shenyang 1.75. Hongkong 0.07 Sichuan, Chongqing 1 1000%), 0.91 per thousand -8.2%, with an average of 3.9 per thousand.

Male: female =1:5.36

Unilateral: bilateral =1.45:1

Left: right =1.55:1

Regional differences, living habits, living environment

South: habit back baby

North High (about 4 per thousand): cold weather, bundled baby

Two, etiology: a variety of theories, the reasons are not clear, there are generally four factors:

> 10, the hip joint function in children could not resume normal operation, can only improve gait, relieve symptoms, such as the Schanz osteotomy

Postoperative complications:

The avascular necrosis of the femoral head;

The redislocation after operation;

The restricted motion of the hip joints, stiffness;

In short, the early diagnosis of CDH or DDH is very important, and early treatment to improve the cure rate and reduce the occurrence of residual deformity is crucial, clinicians should pay high attention to!